Algoma Steel Group Inc. SEC filings ASTL

Algoma Steel Group Inc. has 310 filings in SEC EDGAR's recent list, going back to May 25, 2021. Its latest annual report, Form 40-F, was filed on Mar 12, 2026 for the period ended Dec 31, 2025. The most recent current report (Form 6-K) was filed on Oct 29, 2026. The company's fiscal year ends on March 31.

Algoma Steel Group Inc. SEC filings
Form Description Filed Period
6-K Current report (foreign issuer) Oct 29, 2026 Oct 28, 2026
6-K Current report (foreign issuer) Oct 16, 2026 Oct 15, 2026
6-K Current report (foreign issuer) Oct 2, 2026 Oct 1, 2026
6-K Current report (foreign issuer) Sep 2, 2026 Sep 2, 2026
6-K Current report (foreign issuer) Aug 18, 2026 Aug 17, 2026
6-K Current report (foreign issuer) Jul 30, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Jul 17, 2026 Jul 16, 2026
6-K Current report (foreign issuer) Jul 1, 2026 Jun 30, 2026
6-K Current report (foreign issuer) Jun 24, 2026 Jun 23, 2026
6-K Current report (foreign issuer) Jun 5, 2026 Jun 4, 2026
6-K Current report (foreign issuer) May 22, 2026 May 22, 2026
6-K Current report (foreign issuer) May 13, 2026 May 12, 2026
6-K Current report (foreign issuer) May 1, 2026 Apr 30, 2026
6-K Current report (foreign issuer) Apr 10, 2026 Apr 10, 2026
6-K Current report (foreign issuer) Apr 7, 2026 Apr 7, 2026
6-K Current report (foreign issuer) Apr 1, 2026 Mar 31, 2026
6-K Current report (foreign issuer) Mar 12, 2026 Mar 11, 2026
6-K Current report (foreign issuer) Feb 27, 2026 Feb 26, 2026
6-K Current report (foreign issuer) Jan 27, 2026 Jan 26, 2026
6-K Current report (foreign issuer) Jan 9, 2026 Jan 8, 2026
6-K Current report (foreign issuer) Dec 2, 2025 Dec 2, 2025
6-K Current report (foreign issuer) Dec 1, 2025 Dec 1, 2025
6-K Current report (foreign issuer) Nov 17, 2025 Nov 17, 2025
6-K Current report (foreign issuer) Oct 30, 2025 Oct 29, 2025
6-K Current report (foreign issuer) Oct 21, 2025 Oct 20, 2025
6-K Current report (foreign issuer) Oct 2, 2025 Oct 1, 2025
6-K Current report (foreign issuer) Sep 29, 2025 Sep 29, 2025
6-K Current report (foreign issuer) Sep 19, 2025 Sep 18, 2025
6-K Current report (foreign issuer) Jul 30, 2025 Jul 29, 2025
6-K Current report (foreign issuer) Jul 24, 2025 Jul 24, 2025
6-K Current report (foreign issuer) Jul 18, 2025 Jul 18, 2025
6-K Current report (foreign issuer) Jul 16, 2025 Jul 15, 2025
6-K Current report (foreign issuer) Jul 10, 2025 Jul 10, 2025
6-K Current report (foreign issuer) Jun 25, 2025 Jun 24, 2025
6-K Current report (foreign issuer) Jun 5, 2025 Jun 4, 2025
6-K Current report (foreign issuer) May 21, 2025 May 21, 2025
6-K Current report (foreign issuer) Apr 30, 2025 Apr 29, 2025
6-K Current report (foreign issuer) Apr 23, 2025 Apr 22, 2025
6-K Current report (foreign issuer) Apr 10, 2025 Apr 10, 2025
6-K Current report (foreign issuer) Mar 13, 2025 Mar 12, 2025
6-K Current report (foreign issuer) Feb 28, 2025 Feb 27, 2025
6-K Current report (foreign issuer) Feb 24, 2025 Feb 24, 2025
6-K Current report (foreign issuer) Jan 3, 2025 Jan 2, 2025
6-K Current report (foreign issuer) Dec 4, 2024 Dec 3, 2024
6-K Current report (foreign issuer) Nov 7, 2024 Nov 6, 2024
6-K Current report (foreign issuer) Oct 30, 2024 Oct 29, 2024
6-K Current report (foreign issuer) Sep 27, 2024 Sep 26, 2024
6-K Current report (foreign issuer) Sep 25, 2024 Sep 24, 2024
6-K Current report (foreign issuer) Sep 4, 2024 Sep 3, 2024
6-K Current report (foreign issuer) Aug 30, 2024 Aug 29, 2024
6-K Current report (foreign issuer) Aug 28, 2024 Aug 28, 2024
6-K Current report (foreign issuer) Aug 22, 2024 Aug 22, 2024
6-K Current report (foreign issuer) Aug 14, 2024 Aug 14, 2024
6-K Current report (foreign issuer) Aug 13, 2024 Aug 12, 2024
6-K Current report (foreign issuer) Aug 7, 2024 Aug 6, 2024
6-K Current report (foreign issuer) Jul 12, 2024 Jul 12, 2024
6-K Current report (foreign issuer) Jun 24, 2024 Jun 24, 2024
6-K Current report (foreign issuer) Jun 21, 2024 Jun 20, 2024
6-K Current report (foreign issuer) Jun 11, 2024 Jun 11, 2024
6-K Current report (foreign issuer) Jun 7, 2024 Jun 6, 2024
6-K Current report (foreign issuer) Apr 10, 2024 Apr 10, 2024
6-K Current report (foreign issuer) Mar 27, 2024 Mar 26, 2024
6-K Current report (foreign issuer) Mar 26, 2024 Mar 25, 2024
6-K Current report (foreign issuer) Mar 25, 2024 Mar 25, 2024
6-K Current report (foreign issuer) Feb 26, 2024 Feb 26, 2024
6-K Current report (foreign issuer) Feb 15, 2024 Feb 14, 2024
6-K Current report (foreign issuer) Feb 9, 2024 Feb 9, 2024
6-K Current report (foreign issuer) Feb 7, 2024 Feb 6, 2024
6-K Current report (foreign issuer) Jan 30, 2024 Jan 29, 2024
6-K Current report (foreign issuer) Jan 23, 2024 Jan 23, 2024
6-K Current report (foreign issuer) Jan 22, 2024 Jan 22, 2024
6-K Current report (foreign issuer) Jan 4, 2024 Jan 3, 2024
6-K Current report (foreign issuer) Dec 22, 2023 Dec 21, 2023
6-K Current report (foreign issuer) Nov 24, 2023 Nov 24, 2023
6-K Current report (foreign issuer) Nov 3, 2023 Nov 3, 2023
6-K Current report (foreign issuer) Oct 24, 2023 Oct 23, 2023
6-K Current report (foreign issuer) Oct 3, 2023 Oct 2, 2023
6-K Current report (foreign issuer) Sep 29, 2023 Sep 28, 2023
6-K Current report (foreign issuer) Sep 27, 2023 Sep 26, 2023
6-K Current report (foreign issuer) Sep 19, 2023 Sep 19, 2023
6-K Current report (foreign issuer) Sep 13, 2023 Sep 12, 2023
6-K Current report (foreign issuer) Sep 1, 2023 Aug 31, 2023
6-K Current report (foreign issuer) Aug 23, 2023 Aug 23, 2023
6-K Current report (foreign issuer) Aug 11, 2023 Aug 10, 2023
6-K Current report (foreign issuer) Jul 31, 2023 Jul 31, 2023
6-K Current report (foreign issuer) Jul 17, 2023 Jul 17, 2023
6-K Current report (foreign issuer) Jun 23, 2023 Jun 22, 2023
6-K Current report (foreign issuer) Jun 22, 2023 Jun 21, 2023
6-K Current report (foreign issuer) Jun 16, 2023 Jun 16, 2023
6-K Current report (foreign issuer) Jun 7, 2023 Jun 7, 2023
6-K Current report (foreign issuer) May 26, 2023 May 26, 2023
6-K Current report (foreign issuer) Apr 7, 2023 Apr 6, 2023
6-K Current report (foreign issuer) Mar 31, 2023 Mar 30, 2023
6-K Current report (foreign issuer) Mar 30, 2023 Mar 29, 2023
6-K Current report (foreign issuer) Mar 14, 2023 Mar 13, 2023
6-K Current report (foreign issuer) Mar 2, 2023 Mar 1, 2023
6-K Current report (foreign issuer) Feb 17, 2023 Feb 16, 2023
6-K Current report (foreign issuer) Feb 14, 2023 Feb 13, 2023
6-K Current report (foreign issuer) Feb 14, 2023 Feb 13, 2023
6-K Current report (foreign issuer) Feb 2, 2023 Feb 1, 2023
6-K Current report (foreign issuer) Jan 10, 2023 Jan 9, 2023
6-K Current report (foreign issuer) Nov 8, 2022 Nov 7, 2022
6-K Current report (foreign issuer) Nov 8, 2022 Nov 7, 2022
6-K Current report (foreign issuer) Oct 27, 2022 Oct 26, 2022
6-K Current report (foreign issuer) Oct 13, 2022 Oct 12, 2022
6-K Current report (foreign issuer) Sep 28, 2022 Sep 28, 2022
6-K Current report (foreign issuer) Sep 21, 2022 Sep 20, 2022
6-K Current report (foreign issuer) Aug 30, 2022 Aug 30, 2022
6-K Current report (foreign issuer) Aug 24, 2022 Aug 23, 2022
6-K Current report (foreign issuer) Aug 18, 2022 Aug 18, 2022
6-K Current report (foreign issuer) Aug 15, 2022 Aug 15, 2022
6-K Current report (foreign issuer) Aug 10, 2022 Aug 10, 2022
6-K Current report (foreign issuer) Aug 8, 2022 Aug 8, 2022
6-K Current report (foreign issuer) Aug 4, 2022 Aug 3, 2022
6-K Current report (foreign issuer) Aug 4, 2022 Aug 3, 2022
6-K Current report (foreign issuer) Aug 2, 2022 Aug 2, 2022
6-K Current report (foreign issuer) Aug 1, 2022 Aug 1, 2022
6-K Current report (foreign issuer) Jul 28, 2022 Jul 28, 2022
6-K Current report (foreign issuer) Jul 26, 2022 Jul 26, 2022
6-K Current report (foreign issuer) Jul 26, 2022 Jul 26, 2022
6-K Current report (foreign issuer) Jul 20, 2022 Jul 20, 2022
6-K Current report (foreign issuer) Jul 19, 2022 Jul 19, 2022
6-K Current report (foreign issuer) Jul 18, 2022 Jul 18, 2022
6-K Current report (foreign issuer) Jul 14, 2022 Jul 13, 2022
6-K Current report (foreign issuer) Jun 24, 2022 Jun 23, 2022
6-K Current report (foreign issuer) Jun 21, 2022 Jun 21, 2022
6-K Current report (foreign issuer) Jun 17, 2022 Jun 17, 2022
6-K Current report (foreign issuer) Jun 15, 2022 Jun 14, 2022
6-K Current report (foreign issuer) Jun 15, 2022 Jun 14, 2022
6-K Current report (foreign issuer) Jun 2, 2022 Jun 1, 2022
6-K Current report (foreign issuer) Apr 25, 2022 Apr 25, 2022
6-K Current report (foreign issuer) Apr 18, 2022 Apr 18, 2022
6-K Current report (foreign issuer) Apr 8, 2022 Apr 8, 2022
6-K Current report (foreign issuer) Mar 24, 2022 Mar 23, 2022
6-K Current report (foreign issuer) Mar 2, 2022 Mar 2, 2022
6-K Current report (foreign issuer) Feb 11, 2022 Feb 10, 2022
6-K Current report (foreign issuer) Feb 11, 2022 Feb 10, 2022
6-K Current report (foreign issuer) Jan 31, 2022 Jan 31, 2022
6-K Current report (foreign issuer) Jan 28, 2022 Jan 28, 2022
6-K Current report (foreign issuer) Jan 10, 2022 Jan 10, 2022
6-K Current report (foreign issuer) Dec 2, 2021 Dec 2, 2021
6-K Current report (foreign issuer) Nov 29, 2021 Nov 29, 2021
6-K Current report (foreign issuer) Nov 12, 2021 Nov 12, 2021
6-K Current report (foreign issuer) Nov 12, 2021 Nov 12, 2021
6-K Current report (foreign issuer) Nov 1, 2021 Nov 1, 2021
6-K Current report (foreign issuer) Oct 28, 2021 Oct 28, 2021
6-K Current report (foreign issuer) Oct 22, 2021 Oct 22, 2021
6-K Current report (foreign issuer) Oct 20, 2021 Oct 19, 2021

Showing 148 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.

Company profile

Industry
Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) (SIC 3312)
Listed as
ASTL (Nasdaq), ASTLW (Nasdaq)
Fiscal year ends
March 31
Incorporated in
British Columbia, Canada
Headquarters
Sault Ste. Marie, Ontario, Canada
SEC filer status
Non-accelerated filer
SEC CIK
1860805
Former names
1295908 B.C. LTD. (until Jun 21, 2021)

Other Steel Works, Blast Furnaces & Rolling Mills (Coke Ovens) companies

Source: SEC EDGAR filings. This is company-reported data, not investment advice.